| Entries |
| Document | Title | Date |
|---|
| 20080292443 | Boom and Arm Member of Construction Machine Excellent in Weld Zone Fatigue Strength and Method of Improvement of Its Fatigue Strength - The present invention provides a boom and arm member of a construction machine excellent in weld zone fatigue strength and a method of improvement of its fatigue strength, that is, a boom and arm member of a construction machine superior in weld zone fatigue strength, the boom and arm member of a construction machine characterized in that toes of full penetrated weld zones of the boom and arm member have vibration strike marks, and a method of improvement of its fatigue strength. Preferably, the residual stress of the bottom surface of the vibration strike marks is a 10 MPa or higher compressive residual stress. | 11-27-2008 |
| 20090053027 | Remote Boom Lock Assembly - A remote boom lock assembly is provided to secure a boom assembly supported on an agricultural vehicle or implement. The boom lock assembly is generally configured to move between a locked position and an unlocked position relative to the boom assembly as it is seated in a boom cradle structure mounted on the agricultural vehicle. The boom lock assembly includes a boom lock element mounted to the boom cradle structure, and an actuator assembly configured to selectively move the boom lock element from a locked position to an unlocked position. A remote switch is employed to control operation of the actuator assembly. The boom lock assembly further includes a spring configured to bias the boom lock element toward the locked position. | 02-26-2009 |
| 20090067972 | ELECTRIC MINING SHOVEL SADDLE BLOCK ASSEMBLY WITH ADJUSTABLE WEAR PLATES - A saddle block assembly including a main body having a shipper shaft opening through the main body bottom end, and an eccentric pin opening in the main body top end, an eccentric pin received in an eccentric pin opening in the top end of the main body, and a wear plate support. The wear plate support has a pin receiving opening, the eccentric pin being received in the pin receiving opening. Wear plates are mounted on the bottom end of the wear plate support and are adapted to bear against the top of a dipper handle. | 03-12-2009 |
| 20100008751 | BOOM ARRANGEMENT - The present invention provides a lift assembly ( | 01-14-2010 |
| 20100098522 | WHEEL LOADER - A wheel loader includes a bucket boom including a pair of left and right side members; a front frame to which the base ends of the pair of side members are coupled; and a boom cylinder of which a base end is coupled to the front frame and a distal end is coupled to the side members. A base-end interval between the pair of side members is smaller than a distal-end interval between the side members. A face section that inclines towards a middle as extending in an upwards direction is provided on the left and right extremities of the front frame. A mounting boss to which the base end of the boom cylinder is attached is provided on a lower side of the face section while a mounting boss to which the base ends of the side members are attached is provided on an upper side of the face section. | 04-22-2010 |
| 20100119344 | WORK EQUIPMENT BOOM - A work equipment boom is adapted to be attached at one end to a main body of a construction machine and attached at the other end to a work equipment arm, the work equipment boom includes a boom main component. The boom main component is integrally formed by expanding a tubular material. The boom main component has a proximal end portion and a distal end portion. The proximal end portion includes a first end part arranged to be disposed adjacent to the main body and has a shape which increases in horizontal width as it gets nearer to the first end part. The distal end portion includes a second end part arranged to be disposed adjacent to the work equipment arm and has a shape which increases in horizontal width as it gets nearer to the second end part. | 05-13-2010 |
| 20100143087 | Loader Work Machine - A loader work machine includes: a first lift link ( | 06-10-2010 |
| 20100158653 | Hose entry system - A method of constructing a boom assembly of a front end loader, including the step of providing connection of a first and second boom member | 06-24-2010 |
| 20110002765 | Excavator boom - This invention relates to a box section made of an upper and lower plate and side plates. The upper and lower plates and the side plates thus form a weldment. According to the invention, provision is made for the interior of the box section to be accessible from the outside through multiple cutouts that are arranged in the longitudinal direction of the excavator boom in the side plates and/or in the upper and/or lower plates. | 01-06-2011 |
| 20110008142 | Working Machine - A working machine is provided with a front working mechanism. The front working mechanism includes a first working element, a second working element and a hydraulic cylinder. The hydraulic cylinder is connected at a forward end portion thereof to the second working element and at a rearward end portion thereof to the first working element, and is constructed pivotable relative to the second working element within a predetermined range of work angles. The working machine is provided with a pivotal movement restraining device for allowing the hydraulic cylinder to pivot within the predetermined range of work angles while the hydraulic cylinder is connected to the second working element but for restraining the hydraulic cylinder from pivoting beyond the predetermined range of work angles in a direction away from the first working element while the second working element is detached from the hydraulic cylinder. | 01-13-2011 |
| 20110188982 | WORKING MACHINE - A working machine includes a base machine and a working attachment. The working attachment has a base-end boom, a lead-end boom, and an arm. The working machine is collapsible into a triple-folded state, with the base-end boom being located on the upper side and the arm being located on the lower side with respect to the lead-end boom, as a posture of the working machine for transport. The working machine further includes a lead-end boom cylinder for moving the lead-end boom, and an arm cylinder for moving the arm. The lead-end boom has a first lead-end boom cylinder attachment portion for mounting the lead-end boom cylinder, and a first arm cylinder attachment portion for mounting the arm cylinder. The first lead-end boom cylinder attachment portion is disposed at a position different from the first arm cylinder attachment portion in a widthwise direction of the working attachment, and lower than the first arm cylinder attachment portion in the transport posture. | 08-04-2011 |
| 20110318158 | REACH AND PULL ACTION LOADER GRAPPLE - A grapple device includes a torque tube, a pivot, a rod and cylinder, a pivot link, and a tooth. The torque tube has first and second torque pivot points and is adapted to be mounted on a bucket. The pivot is rotatably connected to the first torque pivot point at a pivot cross tube located at a second end of the pivot, and the pivot further comprises a pivot collar at a first end, and first and second pivot faces adjacent the pivot collar. The rod and cylinder are operatively connected to the second torque pivot point, includes a rod and a cylinder, and has a rod pivot at a first end of the rod. | 12-29-2011 |
| 20120093624 | WORK MACHINE AND CONTROL METHOD FOR WORK MACHINES - In a work machine, a control unit controls a pilot control valve for controlling the opening area of a first direction switch valve in executing the combined operation to be less than or equal to that in executing a single operation. The combined operation represents an operation of simultaneously operating first and second actuators. The single operation represents an operation of operating only the first actuator. Further, the control unit determines the opening area of the first direction switch valve in the combined operation based on a hydraulic pressure detected by a hydraulic pressure detector unit. | 04-19-2012 |
| 20120107079 | PROTECTION SYSTEM FOR ARTICULATED MACHINE - A system for protecting at least one tube extending between articulating joints of a work machine including a first guard configured to be at least partially inserted inside a first opening formed in a second portion that is pivotably connected to a first portion. A second guard is configured to be at least partially inserted inside a second opening formed in the third portion that is pivotably connected to the second portion and near the first portion. The first guard and the second guard form a protective passageway for a tube extending from the first portion to the third portion, the passageway substantially preventing contact between the at least one tube and surfaces of the second portion and the third portion in close proximity with the corresponding pivotable connections. | 05-03-2012 |
| 20120163950 | EXCAVATOR THUMB ASSEMBLY - A thumb assembly mountable to a stick of an excavator is provided. The thumb assembly comprises a base member having at least a first joint location, a thumb member pivotally connected to the base member, and first and second linkage members pivotally connected at their first ends to the thumb member and the joint location respectively. The linkage members are connected by a knee joint at their second ends such that they are foldable relative to each other between a working position and a storage position in which the thumb member extends close to the base member. The knee joint permits both relative rotation and relative sliding of the first and second linkage members so that the thumb assembly can be moved between the working position and the storage position without disconnecting the linkage members from the thumb member and the joint location on the base member. | 06-28-2012 |
| 20120177471 | EXTENDIBLE DIPPER WITH EXTRUDED PORTION FOR A BACKHOE ARM - The invention relates to an extendible dipper assembly ( | 07-12-2012 |
| 20120189418 | FRONT LOADER FOR A TRACTOR - A front loader ( | 07-26-2012 |
| 20120251284 | WEARPAD ARRANGEMENT - A boom assembly includes a first boom member and a second boom member slidable relative to the first member in a first direction. A stop member that at least partially defines a receptacle is attached to the first member. A closure member is attachable to the first member in a fixed position and movable away from the fixed position. A planar wearpad is insertable into the receptacle in the first direction when the closure member is moved away from the fixed position and the second member is positioned on the first member. The stop and closure members inhibit lateral movement of the wearpad in a direction parallel to the plane of the wearpad, and allow movement of the wearpad in a direction transverse to the plane, when the wearpad is positioned in the receptacle. The second member inhibits movement of the wearpad in the direction transverse to the plane. | 10-04-2012 |
| 20120251285 | FRONT LOADER - A detection link of a spill guard link mechanism is pivoted and connected to a bucket bracket in a position proximate to a bucket pivot support axis rotatably supporting a bucket and above a lower surface of a boom. | 10-04-2012 |
| 20120282072 | SKID STEER ATTACHMENT - A skid steer attachment has an extended reach for lifting and placing heavy boulders, logs and debris in hard to reach locations. With its extended reach capabilities, the attachment makes it possible to grab and place items in locations that are hard to reach with conventional attachments. | 11-08-2012 |
| 20120288351 | Fork with multiple tines - Conventional multi-tined implements such as cutlery and serving forks, pitchforks and front-end loader machine forks, all have smooth tine surfaces from which the respective items being picked up and transferred by a user may unintentionally slip off and cause harm. All such implements are provided enhanced ability to retain their respective loads during their intentional transfer by a user by the provision of a plurality of topographic discontinuities on selected load-contacting surfaces of their tines. These topographic discontinuities include small barb-like elements generated by wedge-shaped recesses extending into the tines and/or by barb-like projections extending from the tines into inter-tine gaps between adjacent tines. On thus improved food-handling implements all intersections, corners, edges and points incidental to formation of any topographic discontinuities are smoothed out to prevent physical harm to users. | 11-15-2012 |
| 20120301257 | Excavator Thumb - A thumb and linkage assembly for covering the bucket of an excavator is shown and described. The thumb and linkage assembly includes a bracket coupled to a lift arm of an excavator or prime mover. The assembly also includes a base link and a thumb link. The base link has a proximal portion pivotally coupled to the bracket. The base link also has a distal portion pivotally coupled to a proximal portion of the thumb link. The thumb link has a distal portion pivotally coupled to at least one thumb of a plurality of thumbs. The plurality of thumbs are coupled together and pivotally coupled to the bracket. The bracket includes a first lock hole for locking the assembly in a stored position. At least one of the proximal portion of the thumb link, the distal portion of the base link or one of the thumbs include a second lock hole that is in axial alignment with the first lock hole when the assembly is in the stored position. The assembly also includes a removable pin that is received in the first and second lock holes for locking the assembly in the stored position. | 11-29-2012 |
| 20130058748 | APPARATUS AND METHOD FOR REINFORCEMENT OF A LOAD BEARING STRUCTURE - A reinforcement device for a load bearing structure is disclosed. The reinforcement device may include a tubular wall including a first end, a second end, a throat disposed between the first end and the second end, and a curved portion disposed between the throat and each of the first end and the second end. The tubular wall may also include a first dimension at the throat and a second dimension at each of the first and second ends, the first dimension being smaller than the second dimension. | 03-07-2013 |
| 20130078072 | BEAM STRUCTURE - A beam structure of the present disclosure includes a baffle plate. A plurality of lap strips are attached around outer edges of the baffle plate. An adhesive layer is applied to outer surfaces of the lap strips. A plurality of sidewalls are assembled together around the adhesive layer, the lap strips and the baffle plate, thereby forming the beam structure. In an embodiment, the beam structure may be used as a boom assembly for a machine, such as an excavator machine. | 03-28-2013 |
| 20130136570 | DIPPER BAIL - The invention provides a bail for a rope shovel having a hoist rope and a dipper. The bail includes a pair of arms coupled to the dipper; and a cross-member extending between the pair of arms and being pivotably coupled to each of the arms. The cross-member includes a mounting block for coupling the hoist rope to the bail. | 05-30-2013 |
| 20130164106 | ATTACHMENT FOR A BUCKET - An attachment for a bucket is disclosed. The bucket includes a plurality of panels including a bottom panel and two side panels. The bottom panel extends between the two side panels and has an edge. The attachment includes a plate having two major opposing surfaces. The attachment further includes an adapter extending from at least one of the two major opposing surfaces of the plate, the adapter being configured to engage the bottom panel of the bucket. The attachment further includes an attachment mechanism cooperating with at least one of the plate and the adapter to detachably attach the attachment to at least one panel in the plurality of panels of the bucket. | 06-27-2013 |
| 20130177375 | BOOM ASSEMBLY - A boom assembly is provided for a material handling machine. The boom assembly includes a boom pivotally coupled to a frame of the machine. The boom has a pair of side plates, a top plate and a bottom plate that are rigidly interconnected. The top plates have a pair of slots which extend therethrough. An arm is pivotally coupled to an end of the boom. A mounting unit extends between a center portion of the side plates. A pair of hydraulic boom cylinders are coupled between the frame and the mounting unit. A pair of spaced apart arm cylinder mounting plates are rigidly mounted to the mounting unit. Each mounting plate extends through a corresponding one of the slots. An arm cylinder is connected between the mounting plates and an arm. | 07-11-2013 |
| 20130195596 | HOIST ROPE GUIDE - A rope guide that includes an arm, a rope-contacting element, and a spring damper. The rope guide is pivotably coupled to the boom of a mining shovel. The combination of the arm, spring damper, and rope-contacting element maintains a nominal tension in the rope, thereby reducing the likelihood of wear and fatigue on the rope. | 08-01-2013 |
| 20130323000 | MACHINE BUCKET - A machine bucket may include a wrapper. The wrapper may form a portion of a receptacle for holding material. The wrapper may include a curved upper portion defining an arc. The curved upper portion may have a central angle value (θ | 12-05-2013 |
| 20130323001 | CONSTRUCTION MACHINE - A working mechanism ( | 12-05-2013 |
| 20130330161 | LOCKING MECHANISM FOR LIFT ARM ASSEMBLY - A locking mechanism adapted for use with a lift arm assembly. The lift arm assembly is connected to and operatively associated with a lift actuator for movement between raised and lowered positions. The lift actuator having a tubular body and an extendable rod. The locking mechanism includes a lockbar having a proximal end and a distal end opposite to the proximal end. The proximal end is configured to be pivotally connected to the lift arm assembly and movable between an inoperative position and an operative position to selectively prevent retraction of the rod within the tubular body of the lift actuator. The locking mechanism further includes a release lever pivotally connected at the distal end of the lockbar and is adapted to move between a rest position and a working position. | 12-12-2013 |
| 20140079520 | Bucket with integrated hydraulic drum - A bucket for a loader with integrated hydraulic cylinder is disclosed. The hydraulic cylinder is mounted at the bottom of the bucket and extends the width of the bucket in a pocket between the bottom side and rear wall of the bucket. This allows the hydraulic cylinder to be used to manipulate materials at an exterior of the bucket. The bucket allows the user to use the bucket to both move and manipulate materials without having to use multiple attachments. | 03-20-2014 |
| 20140133948 | BEARING ASSEMBLY - A bushing for a bearing assembly is provided. The bushing includes a tubular sleeve having an inner surface and an outer surface. An inner circumferential channel is provided on the inner surface of the bushing. An outer channel is provided diagonally on the outer surface of the bushing and is configured to be in fluid communication with a lubricant supply path. Further, the bushing includes a port connecting the inner channel and the outer channel of the bushing. | 05-15-2014 |
| 20140193231 | BOOM STRUCTURE - A boom structure on a work machine includes at least two boom branches and a main boom structure extending from their convergence area substantially in a working direction. Thus, the boom structure provides a fork-like structure. | 07-10-2014 |
| 20140205413 | WORK MACHINE - A work machine capable of decreasing the height of a work attachment in a folded state and suppressing the influence on the operability during demolishing operation. An arm has a surface facing downward when the attachment is in a folded posture, and the surface includes a flat arm contact surface capable of making contact with a mounting surface, on which a work attachment is mounted; and an attachment surface that extends in the direction away from the mounting surface. A work device cylinder is attached to the attachment surface so as not to make contact with the mounting surface. When the attachment is in the attachment folded posture, the arm contact surface is more parallel to a boom upper surface than a boom-side sloped surface and an arm-side sloped surface or is parallel to the boom upper surface. | 07-24-2014 |
| 20140241841 | Construction Machine - A construction machine, such as an excavator, a loader, or a crane, has at least one hydraulic attachment, such as an arm of the excavator, the loader, or the crane. The attachment includes at least one pivot bearing, a separator plate provided at the pivot bearing, at least one first hydraulic line, and at least one second hydraulic line, with the separator plate connectable to the pivot bearing and the hydraulic lines. | 08-28-2014 |
| 20140271077 | COMPOSITE MATERIAL STRUCTURES CONFIGURED FOR ALTERNATING COMPRESSIVE AND TENSILE LOADING - A composite material structure and a method for making the composite material structure are provided. The composite material structure includes a first stack of fiber panels arranged with fibers parallel to a loading axis to accommodate a first tension load in a first plane. The composite material structure includes a second stack of fiber panels arranged with fibers parallel to the loading axis to accommodate a second tension load in a second plane. The composite material structure includes a pre-consolidated fabric structure between the first and the second stack arranged with fibers plied perpendicular to the fibers of the first stack of fiber panels and perpendicular to the fibers of the second stack of fiber panels, the fibers further being orthogonal to the loading axis. | 09-18-2014 |
| 20140314537 | REMOVABLE LINER ASSEMBLY FOR A DIPPER - A mining shovel includes a dipper having an inner surface, and a removable liner assembly coupled to the dipper and adjacent to the inner surface of the dipper. The removable liner assembly includes a first rail coupled to the dipper, a first liner segment disposed on the first rail and covering at least a portion of the first rail, and a second liner segment removably coupled to the first rail and covering at least one of a portion of the first liner segment and a portion of the first rail. The first rail is substantially covered by at least one of the first and second liner segments. | 10-23-2014 |
| 20140341690 | PARALLEL LINKAGE-TYPE WORKING APPARATUS FOR CONSTRUCTION EQUIPMENT - The present disclosure relates to a parallel linkage-type working apparatus for construction equipment in which a parallel lever and a parallel link operate to prevent a working tool from bending inward so that, even if the working tool is raised, a tilting phenomenon in which the working tool is inclined inward may be prevented, and an amount of change in posture of the working tool at each height may be reduced. Also, the parallel linkage-type working apparatus is capable of increasing excavation ability or power with a posture on the ground surface by supplying a larger amount of hydraulic fluid at one time when working hydraulic pressure is supplied to each cylinder head, in comparison with a case in which working hydraulic pressure is supplied to a cylinder rod. | 11-20-2014 |
| 20150110592 | LINER SYSTEM FOR A DIPPER - A mining machine includes a boom, a handle coupled to the boom, and a dipper coupled to the handle. The mining machine further includes a liner system coupled to the dipper. The liner system includes a first guide member and a second guide member coupled to a surface of the dipper, wherein the first and second guide members and the surface of the dipper define a channel extending along the dipper, and wherein the liner system further includes an insert disposed at least partially within the channel that is inhibited from moving away from the surface of the dipper by a portion of the first guide member. | 04-23-2015 |
| 20150132095 | WORKING MACHINE - A working machine includes: a machine frame; an operator seat provided on the machine frame; a boom arranged on each side of the operator seat; a boom base portion being a part of the boom, the boom base portion being provided to a position corresponding to a rear portion side of the machine frame and being pivotally supported to enable the boom to swing upward and downward; a hose insertion hole provided in the boom base portion, the hose insertion hole being opened upward and downward; and a hydraulic hose internally installed into an inside of the boom through the hose insertion hole, the hydraulic hose being used for passage of a hydraulic operation fluid. | 05-14-2015 |
| 20150345112 | WORK VEHICLE AND WORK VEHICLE CONTROL METHOD - A hydraulic excavator is provided with an arm cylinder, an arm switching valve, a sixth pilot pressure control valve, a sixth electromagnetic proportional valve, a sixth upstream pilot flow path, a sixth hydraulic pressure sensor, and a control section. The control section selects at least one item of current value information from a plurality of items of current value information on the basis of a hydraulic pressure that is detected by the sixth hydraulic pressure sensor. The control section is configured to set a current value of a current that is output to the sixth electromagnetic proportional valve on the basis of the current value information that is selected. | 12-03-2015 |
| 20150376862 | CONTINUOUS-EXTRACTION MINING SYSTEM - A material extraction system for an underground mine includes an elevated haulage conveyor extending between first and second ends of a roadway entry. The haulage conveyor is cantilevered from a mine wall and conveys material toward either end of the roadway entry. The system also includes a crusher including a drive operable to move the crusher along the roadway entry. The system further includes a bridge conveyor including a first end adjacent the crusher and receiving material from the crusher, and a second end adjacent the elevated haulage conveyor and positioned for depositing material onto the elevated haulage conveyor. The bridge conveyor is moveable with the crusher along the roadway entry. The system also includes a loader moveable along the roadway entry and into and out of material collection entries to collect material therefrom and transport the material to the crusher. | 12-31-2015 |
| 20160060841 | BUCKET FOR WORK VEHICLE, AND WORK VEHICLE EQUIPPED WITH BUCKET - A bucket for a work vehicle includes a bucket main body portion, left/right boom attachment portions, and a spill plate. The left/right boom attachment portions are adhered to the rear surface of a basal plate, to the left/right sides of the center of the basal plate in the lateral direction, respectively. The spill plate includes a first spill plate portion and a second spill plate portion. In a top view, the second spill plate portion includes a forward edge line extending in the left and right directions from a center of the bucket main body portion in the lateral direction, and first left/right edge lines extending to first/second connection points rearward and leftward/rightward from first/second front ends, which are the left/right ends of the forward edge line, respectively. In a top view, the first spill plate portion includes a second left edge line, a second right edge line, a third left edge line, and a third right edge line. | 03-03-2016 |
